diff --git a/src/soc/amd/mendocino/fsp_misc_data_hob.c b/src/soc/amd/mendocino/fsp_misc_data_hob.c
new file mode 100644
index 0000000..103f821
--- /dev/null
+++ b/src/soc/amd/mendocino/fsp_misc_data_hob.c
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/console.h>
+#include <FspGuids.h>
+#include <fsp/amd_misc_data.h>
+#include <fsp/amd_misc_data_hob.h>
+#include <fsp/util.h>
+#include <string.h>
+#include <types.h>
+
+static enum cb_err get_amd_misc_data_hob(const struct amd_misc_data **fsp_misc_data, int min_revision)
+{
+	static const struct amd_misc_data *fsp_misc_data_cache;
+	size_t hob_size = 0;
+	const struct amd_misc_data *hob;
+
+	if (fsp_misc_data_cache) {
+		*fsp_misc_data = fsp_misc_data_cache;
+		return CB_SUCCESS;
+	}
+
+	hob = fsp_find_extension_hob_by_guid(AMD_MISC_DATA_HOB_GUID.b, &hob_size);
+
+	if (hob == NULL || hob_size < sizeof(struct amd_misc_data)) {
+		printk(BIOS_ERR, "Couldn't find fsp misc data HOB.\n");
+		return CB_ERR;
+	}
+
+	if (hob->version < min_revision) {
+		printk(BIOS_ERR, "Unexpected fsp misc data HOB version.\n");
+		return CB_ERR;
+	}
+
+	fsp_misc_data_cache = hob;
+	*fsp_misc_data = fsp_misc_data_cache;
+	return CB_SUCCESS;
+}
+
+enum cb_err get_amd_smu_reported_tdp(uint32_t *tdp)
+{
+	const struct amd_misc_data *fsp_misc_data = NULL;
+
+	if (get_amd_misc_data_hob(&fsp_misc_data, AMD_MISC_DATA_VERSION) != CB_SUCCESS)
+		return CB_ERR;
+
+	*tdp = fsp_misc_data->smu_power_and_thm_limit;
+
+	return CB_SUCCESS;
+}